Merge branch 'master' into sans-pig

* master:
  Update readme
  [Gradle Release Plugin] - new version commit:  '0.2.12-SNAPSHOT'.
  [Gradle Release Plugin] - pre tag commit:  '0.2.11'.
  Upgrade to rx 1.0.0-rc.7; Add back pressure buffer to match prior behavior.
Merge branch 'sans-pig' into cascading

* sans-pig:
  Update readme
  [Gradle Release Plugin] - new version commit:  '0.2.12-SNAPSHOT'.
  [Gradle Release Plugin] - pre tag commit:  '0.2.11'.
  Upgrade to rx 1.0.0-rc.7; Add back pressure buffer to match prior behavior.
Merge branch 'cascading' into cascading_origin
emit tuples from clojure
emit tuples from clojure
removed stuff already available in pigpen.core
unnecessary let
removed redundant function, formatting
removed debug print stmts and ns, fixed comment
Merge pull request #91 from pkozikow/master

Cascading - almost ready for merge
Lazy conversion of sequences in hybrid->clojure
Merge pull request #3 from matthagy/seq_cnv

Lazy conversion of sequences in hybrid->clojure
Make functional tests a library
Fixed default post-process
Add local mode
Refactor oven to make operations more modular. Move some pig specific ones to pigpen-pig.
Fix quoting bug in script generation
Only DataBag supports accumulation & returning bags. Move accumulator & add explicit bag creation.
Call seq on the results of all co-groupings to enforce consistency
Fix order-dependent tests